objectives on electric and magnetic properties # 7

                                        Hi friends, these are some of the multiple choice questions on electrical and magnetic properties. These are some of the basic questions which are asked in previous competitive papers check out and comment...

1) The lagging effect between flux density of the material and the magnetizing force applied
A) Permeance
B) Eddy current
C) Hysteresis
D) Reluctance

Ans:C

2) Refers to the magnetic lines
A) Flux
B) Hysteresis
C) Current
D) Magnetomotive force

Ans:A

3) Refers to the non- metallic materials that have the ferromagnetic properties of iron.
A) Ferrites
B) Ferromagnetic
C) Diamagnetic
D) Paramagnetic

Ans:A

4) The air space between poles of magnets
A) Air gap
B) Free space
C) Vacuum
D) Atmosphere

Ans:A

5) One that has magnetic poles produced by internal atomic structure with no external current necessary
A) Diamagnetic
B) Permanent magnets
C) Paramagnetic
D) Electromagnetic

Ans:B

6) Magnetic effects of the earth as a huge magnet with north and south poles.
A) Diamagnetic
B) Ferromagnetic
C) Terrestrial magnetism
D) Terrestrial ferromagnetism

Ans:C

7) Used to maintain strength of magnetic field
A) Container
B) Air gap
C) Keeper
D) Source

Ans:C

8) All magnetic field originates from

A) Moving electric charge

B) Iron atoms

C. Magnetic domain

D. Permanent magnets

Ans:A

9) Magnetic fields do not interact with

A) Moving permanent magnets

B) Stationary permanent magnets

C) Moving electric charges

D) Stationary electric charges

Ans:D

10) The magnetic field inside a solenoid

A) is zero

B) is uniform

C) increases with distance from the axis

D) decreases with distance from the axis

Ans:B

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